Gainward GeForce RTX 3090 Phantom vs Sparkle GeForce Calibre GT 520

VS
Gainward GeForce RTX 3090 Phantom
Gainward GeForce RTX 3090 Phantom Image
Sparkle GeForce Calibre GT 520
Sparkle GeForce Calibre GT 520 Image
Gainward GeForce RTX 3090 Phantom
Sparkle GeForce Calibre GT 520
Key Differences Key Differences Gainward GeForce RTX 3090 Phantom Sparkle GeForce Calibre GT 520
GPU Base Clock Speed 1395MHz 900MHz
GPU Boost Clock Speed 1740MHz Not Known
Pixel Rate 194.9 GPixel/s 1.8 GPixel/s
GPU Memory Speed 1219MHz 1000MHz
GPU Render Output Units (ROPs) 112 4
No. of Supported Displays Not Known 2
Performance Performance Gainward GeForce RTX 3090 Phantom Sparkle GeForce Calibre GT 520
GPU Base Clock Speed 1395MHz 900MHz
Pixel Rate 194.9 GPixel/s 1.8 GPixel/s
FLOPS (Floating-point Performance) 36.53 TFLOPS 0.17 TFLOPS
GPU Memory Speed 1219MHz 1000MHz
Texture Filter Rate 570.7 GTexels/s 7.2 GTexels/s
Total GPU Shading Units 10496 48
Total GPU TMUs 328 8
GPU Boost Clock Speed 1740MHz Not Known
GPU Render Output Units (ROPs) 112 4
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 3090 Phantom Sparkle GeForce Calibre GT 520
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes No
3D Support Yes No
Ray Tracing Support Yes No
No. of Supported Displays Not Known 2
Ports Ports Gainward GeForce RTX 3090 Phantom Sparkle GeForce Calibre GT 520
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Gainward GeForce RTX 3090 Phantom Sparkle GeForce Calibre GT 520
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 292 million
Semiconductor Size 8nm 40nm
PCI Express Version 4 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 304mm 144mm
Height 136mm 68mm
Memory Memory Gainward GeForce RTX 3090 Phantom Sparkle GeForce Calibre GT 520
Effective Memory Clock 9750MHz 2000MHz
Max Memory Bandwidth 936GB/s 16GB/s
RAM 24GB 1GB
Memory Bus Interface Width 384bit 64bit
GDDR Memory Version 6 3
ECC (Error-Correcting Code) Memory Support No No

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